export default {
    namespaced:true,
    state: {
        books: [
            {
                "name": "javasript技术内幕",
                "price": 100,
                "img": "https://img3m7.ddimg.cn/64/26/29120617-1_u_8.jpg"
            },
            {
                "name": "数学之美",
                "price": 44,
                "img": "https://img3m2.ddimg.cn/18/30/28538352-1_b_5.jpg"
            },
            {
                "name": "认知天性",
                "price": 40,
                "img": "https://img3m3.ddimg.cn/74/33/1732997153-3_u_3.jpg"
            }
        ],
    },
    getters: {
        sum(state) {
            return state.books.reduce((totol, obj) => totol += obj.price, 0)
        }
    }
}
